Minecraft Java 1.21 Mods
Browse 10 free mods for Minecraft Java 1.21 — popular picks include Arda's Sculks (Ancient City Portal / Deep Dark Dimension), Recipe Integration, Foul Service.
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Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.
Recipe Integration
Integration for many mods including Ars Nouveau, Biomes O Plenty, Create, Evilcraft, Farmer's Delight, GTCEU, Immersive Engineering, Integrated Dynamics, Mekanism, Powah, and more!
Foul Service
Pale garden is a quite scary place, yet very serene. What if there was another place just as serene but friendly?
The Sad Screamer
The Sad Screamer is a horror mod that is chasing you stalks you and scares you WARNING be aware that the mod is on BETA

The Better Biomes And Plants Mod
It adds nice Biomes and other cool stuff to the game
BL Screenshot Gallery [BLSG]
A modern in-game screenshot gallery for Minecraft that automatically saves where, when, and what biome every screenshot was taken in, with a clean visual browser directly inside Minecraft.
Colorfull Biomes
This datapack adds a collection of colorful biomes, for creative worlds or builders! Applicable with the /fillbiome vanilla command and compatible with world Edit.
NLLCORE
Explore a surreal dimension of digital anomalies with world-bending tools, chaotic biomes, and experimental glitch mechanics
THE HORRORS BUT BETTER
THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!
Nonsense
A new dimension with unique and creative biomes ...